theHousePlanner

Geothermal
Energy:

Using the constant temperature
of the top part of the earth's surface to provide energy for
heating or cooling through boreholes and ground source heat pumps.
Largely used for district schemes until now, this source of energy
is increasingly possible for individual users too.

Geothermal
Heating UK -provides
geothermal heating and cooling solutions for businesses and homes
throughout the UK.

Ground
Source Heat Pump Association
-promotes the concept of using Ground Source Heat Pumps as an
environmentally preferable means of heating and cooling buildings
and to act as an impartial source of information about the ways
in which this may be done.